diff --git a/.gitignore b/.gitignore
index 528f30b..00de2aa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ json-1.1.7.gem
 /json-1.4.6.gem
 /json-1.6.5.gem
 /json-1.7.7.gem
+/json-1.8.3.gem
diff --git a/rubygem-json.spec b/rubygem-json.spec
index 1923911..eae17ed 100644
--- a/rubygem-json.spec
+++ b/rubygem-json.spec
@@ -1,15 +1,15 @@
 %global	gem_name	json
 
 Name:           rubygem-%{gem_name}
-Version:        1.7.7
-Release:        100%{?dist}
+Version:        1.8.3
+Release:        1%{?dist}
 
 Summary:        A JSON implementation in Ruby
 
 Group:          Development/Languages
 
 License:        Ruby or GPLv2
-URL:            http://json.rubyforge.org
+URL:            http://flori.github.io/json/
 Source0:        http://gems.rubyforge.org/gems/%{gem_name}-%{version}.gem
 
 BuildRequires:	ruby(release)
@@ -18,14 +18,17 @@ BuildRequires:  rubygems-devel
 BuildRequires:  rubygem(rake)
 BuildRequires:	rubygem(minitest)
 BuildRequires:	rubygem(bigdecimal)
+BuildRequires:  rubygem(test-unit)
+
 Requires:       ruby(release)
 Requires:       rubygems
-Provides:       rubygem(json) = %{version}
 
 Obsoletes:	rubygem-%{gem_name}-gui < %{version}
 Obsoletes:	ruby-%{gem_name}-gui < %{version}
 Obsoletes:	ruby-%{gem_name} < %{version}
 
+Provides:       rubygem(json) = %{version}
+
 %description
 This is a implementation of the JSON specification according
 to RFC 4627 in Ruby.
@@ -80,13 +83,9 @@ rm -fr .%{gem_instdir}/lib/json/pure*
 
 %install
 mkdir -p $RPM_BUILD_ROOT%{gem_dir}
- 
-cp -a .%{gem_dir}/* %{buildroot}/%{gem_dir}
+mkdir -p $RPM_BUILD_ROOT%{gem_extdir_mri}
 
-# Let's move arch dependent files to arch specific directory
-mkdir -p $RPM_BUILD_ROOT%{gem_extdir_mri}/lib/json/ext
-install -cpm 0755 ./%{gem_instdir}/lib/json/ext/*.so \
-	$RPM_BUILD_ROOT%{gem_extdir_mri}/lib/json/ext/
+cp -a .%{gem_dir}/* %{buildroot}/%{gem_dir}
 
 find $RPM_BUILD_ROOT%{gem_instdir} -name \*.rb -print0 | \
 	xargs --null chmod 0644
@@ -101,10 +100,15 @@ rm -rf $RPM_BUILD_ROOT%{gem_docdir}/rdoc/classes/.src
 rm -rf $RPM_BUILD_ROOT%{gem_docdir}/rdoc/classes/.html
 
 rm -rf $RPM_BUILD_ROOT%{gem_instdir}/java/
+# find and delete zero length files
+find %{buildroot} -size 0 -delete
+
+chmod a+x %{buildroot}/%{gem_instdir}/tools/server.rb
 
 %check
 pushd .%{gem_instdir}
-ruby -S testrb -Ilib:ext/%{gem_name}/ext $(ls -1 tests/test_*.rb | sort)
+ruby -Ilib:$RPM_BUILD_ROOT%{gem_extdir_mri}:. \
+	-e "gem 'minitest', '~> 4' ; Dir.glob('tests/test_*.rb').sort.each {|f| require f}"
 popd
 
 
@@ -134,6 +138,10 @@ popd
 
 
 %changelog
+* Wed Aug 12 2015 Sourav Moitra <sourav.moitr@gmail.com> - 1.8.3-1
+- Update to 1.8.3
+- day change on changelog from sun to sat for version 1.6.5
+
 * Tue Mar 26 2013 Josef Stribny <jstribny@redhat.com> - 1.7.7-100
 - Rebuild for https://fedoraproject.org/wiki/Features/Ruby_2.0.0
 - Update to JSON 1.7.7
@@ -148,7 +156,7 @@ popd
 * Sat Jul 21 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.6.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
 
-* Sun Jan 21 2012 Mamoru Tasaka <mtasaka@fedoraproject.org> - 1.6.5-1
+* Sat Jan 21 2012 Mamoru Tasaka <mtasaka@fedoraproject.org> - 1.6.5-1
 - 1.6.5
 
 * Sat Jan 14 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.4.6-4
diff --git a/sources b/sources
index acb3086..4746958 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-9084ee2e853f55d956d043cba46e25fc  json-1.7.7.gem
+3d076c3efb7545020230e9c1de8ef284  json-1.8.3.gem